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The Mazda RX-7 has long been revered for its unique rotary engine and lightweight design, but the 13B-REW engine, in particular, has garnered a dedicated following among car enthusiasts. This article delves into real owner reviews of the 13B-REW power gains and reliability after upgrades from Mazdaspeed, providing insights from those who have experienced the transformation firsthand.
Understanding the 13B-REW Engine
The 13B-REW engine is a part of Mazda’s renowned Wankel rotary engine family. Known for its compact design and high power-to-weight ratio, the 13B-REW offers a unique driving experience. However, many owners seek to enhance its performance through various upgrades.
Common Upgrades from Mazdaspeed
Mazdaspeed offers a range of performance upgrades for the 13B-REW engine. Here are some of the most popular modifications:
- High-performance turbocharger kits
- Upgraded fuel injectors
- ECU tuning for optimized performance
- Aftermarket intercoolers
- Exhaust system upgrades
Owner Reviews: Power Gains
Many owners report significant power gains after installing Mazdaspeed upgrades. Here are some highlights from various reviews:
- Increased Horsepower: Owners frequently mention horsepower increases ranging from 50 to 100 hp, depending on the upgrades.
- Improved Torque: Enhanced torque delivery is often noted, providing a more responsive driving experience.
- Throttle Response: Many drivers appreciate the improved throttle response, making the car feel more lively and engaging.
Owner Reviews: Reliability After Upgrades
While power gains are exciting, reliability remains a crucial factor for many owners. Here’s what they have to say about the reliability of their upgraded 13B-REW engines:
- Durability: Several owners report that with proper tuning and maintenance, their engines have remained reliable even after significant upgrades.
- Regular Maintenance: Many emphasize the importance of regular maintenance, including oil changes and monitoring boost levels.
- Community Support: Owners often cite the support from the Mazda community, which provides resources and advice for maintaining reliability.
Challenges Faced by Owners
Despite the benefits of upgrades, some owners have faced challenges. Here are common issues reported:
- Heat Management: Upgraded engines may run hotter, necessitating improved cooling solutions.
- Fuel Quality: Higher performance often requires higher octane fuel, which can be a concern for some owners.
- Insurance Costs: Some drivers experience increased insurance premiums due to modifications.
Conclusion: The 13B-REW Experience
Real owner reviews highlight the 13B-REW engine as a platform with immense potential for power and performance. While upgrades from Mazdaspeed can significantly enhance horsepower and torque, they also require a commitment to maintenance and care. For those passionate about their RX-7s, the rewards of upgrading can lead to an exhilarating driving experience.